ALLENDALE, N.J., April 29, 2013 (GLOBE NEWSWIRE) -- NeoStem, Inc. (NYSE MKT:NBS) and its subsidiary, Progenitor Cell Therapy LLC ("PCT"), announced today the execution of a Services Agreement with Sentien Biotechnologies, Inc. ("Sentien") under which PCT will provide services to support Sentien's development of its cell therapy product, including technology transfer, staff training, and manufacturing.